package com.sky.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.sky.constant.MessageConstant;
import com.sky.dto.UserLoginDTO;
import com.sky.entity.User;
import com.sky.exception.LoginFailedException;
import com.sky.mapper.UserMapper;
import com.sky.properties.WeChatProperties;
import com.sky.service.UserService;
import com.sky.utils.HttpClientUtil;
import lombok.extern.slf4j.Slf4j;
import org.checkerframework.checker.units.qual.A;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.security.auth.login.LoginException;
import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.Map;

/**
 * @author 唐佳辉
 * @version 1.0
 * @description TODO
 * @date 2024/6/26 下午9:27
 */
@Service
@Slf4j
public class UserServiceImpl implements UserService {

    public static final String WX_LOGIN="https://api.weixin.qq.com/sns/jscode2session";

    @Autowired
    private WeChatProperties weChatProperties;


    @Autowired
    private UserMapper userMapper;
    @Override
    public User wxLogin(UserLoginDTO userLoginDTO) {


        String openid = getOpenid(userLoginDTO.getCode());
        if (openid==null) {
            throw new LoginFailedException(MessageConstant.LOGIN_FAILED);
        }
        //判断微信用户是不是新用户
        User byOpenid = userMapper.getByOpenid(openid);
        if (byOpenid==null){
            byOpenid = User.builder().openid(openid).createTime(LocalDateTime.now()).build();
            userMapper.insert(byOpenid);
        }

        return byOpenid;
    }


    private String getOpenid(String code) {
        //调用微信接口获取openid
        Map<String, String> map=new HashMap<>();
        map.put("appid",weChatProperties.getAppid());
        map.put("secret",weChatProperties.getSecret());
        map.put("js_code",code);
        map.put("grant_type","authorization_code");
        String json = HttpClientUtil.doGet(WX_LOGIN, map);
        log.info("微信登录返回结果：{}",json);
        JSONObject jsonObject = JSON.parseObject(json);
        String openid = jsonObject.getString("openid");
        return openid;
    }
}
